Home / 80,450.82-120,613.23-50,806.44

Finding the Fourth Proportional to 80,450.82, 120,613.23 and 50,806.44

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Solution

The fourth proportional to 80,450.82, 120,613.23 and 50,806.44 is: 76,169.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,450.82 : 120,613.23 = 50,806.44 : x
  2. Step 2: Convert to fraction form
    80,450.82/120,613.23 = 50,806.44/x
  3. Step 3: Cross multiply
    80,450.82x = 120,613.23 × 50,806.44
  4. Step 4: Simplify right side
    80,450.82x = 6,127,928,833.20
  5. Step 5: Solve for x
    x = 6,127,928,833.20/80,450.82
  6. Step 6: Final answer
    x = 76,169.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.